Timelines exploring a Bukharinist USSR?

As the title says, I'm interested in reading a Soviet-centric timeline with a PoD of Bukharin prevailing over Stalin, perhaps with ideas similar to those described in this post.
Does such a TL exist? I know that A Day in July includes Bukharin within the collective leadership of the Muscovite Reds but it's PoD is a lot earlier and the context is much different from the OTL power struggle.
 
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